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An evil number is a non-negative number that has an even number of 1s in its binary expansion.

Print all the evil numbers from 0 to 50 inclusive, each on their own line.

Numbers that are not evil are called odious numbers.

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ARGV is available via STDIN, joined on NULL. x is a no-op.
arguments holds ARGV, print() to output with a newline, write() to output without a newline.
say() is available without any import.
SELECT arg FROM argv to access the arguments, only the first column of the first result set will be printed, NULL values will be skipped, and the dialect is SQLite.
ctrl + enter or Run